CN113263872B - Sound-absorbing tyre capable of self-generating - Google Patents
Sound-absorbing tyre capable of self-generating Download PDFInfo
- Publication number
- CN113263872B CN113263872B CN202110190124.0A CN202110190124A CN113263872B CN 113263872 B CN113263872 B CN 113263872B CN 202110190124 A CN202110190124 A CN 202110190124A CN 113263872 B CN113263872 B CN 113263872B
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- sound absorbing
- self
- inner liner
- tire
- generating
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- 238000003780 insertion Methods 0.000 claims description 18
- 230000037431 insertion Effects 0.000 claims description 18
- 230000008878 coupling Effects 0.000 claims description 14
- 238000010168 coupling process Methods 0.000 claims description 14
- 238000005859 coupling reaction Methods 0.000 claims description 14
- 239000004020 conductor Substances 0.000 claims description 10
- 238000007639 printing Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000010248 power generation Methods 0.000 abstract description 4
- 230000001070 adhesive effect Effects 0.000 description 14
- 239000000853 adhesive Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000011358 absorbing material Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/041—Means for supplying power to the signal- transmitting means on the wheel
- B60C23/0411—Piezoelectric generators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C19/00—Tyre parts or constructions not otherwise provided for
- B60C19/002—Noise damping elements provided in the tyre structure or attached thereto, e.g. in the tyre interior
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0491—Constructional details of means for attaching the control device
- B60C23/0493—Constructional details of means for attaching the control device for attachment on the tyre
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/001—Energy harvesting or scavenging
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N1/00—Electrostatic generators or motors using a solid moving electrostatic charge carrier
- H02N1/04—Friction generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C19/00—Tyre parts or constructions not otherwise provided for
- B60C2019/004—Tyre sensors other than for detecting tyre pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Tires In General (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
Abstract
The present invention relates to a self-power-generating sound-absorbing tire, and more particularly, to a self-power-generating sound-absorbing tire capable of improving sound-absorbing performance while operating an electronic module by self-power generation. The invention provides a self-generating sound-absorbing tire, which is characterized by comprising: a wall portion formed on a surface of an inner liner of the tire; a sound absorbing part formed at a distance from the inner liner and having both ends coupled to the wall part so as to shield noise generated from the tread surface and the road surface; and an electronic part provided on the surface of the inner liner and formed between the inner liner and the sound absorbing part.
Description
Technical Field
The present invention relates to a self-power-generating sound-absorbing tire, and more particularly, to a self-power-generating sound-absorbing tire capable of improving sound-absorbing performance while operating an electronic module by self-power generation.
Background
In order to reduce noise on the tread surface and road surface of a tire, a technique of attaching a sound absorbing member to a tire is actively being developed.
In particular, in the prior art, a technique of directly attaching a sponge-like sound absorbing member to the surface of an inner liner of a tire with an adhesive is employed.
However, when an adhesive is used, since the adhesive is in a liquid state, there is a problem in that it is difficult to precisely control.
In addition, in the case of using a Sealant (Sealant), the temperature of the discharge nozzle must be maintained at a high temperature, and it is also in a liquid state, so there is a problem in that it is difficult to precisely control.
In particular, when an adhesive is used, the foam absorbs pressure when pressurized, so that the pressure is not transmitted to the adhesive. In this case, the sound absorbing member may be detached during use due to poor adhesive properties.
Further, there is a problem in that the adhesive property is remarkably deteriorated as the adhesive is cured and aged.
For this reason, tires having sound absorbing member fixing belts have been developed in the past. Such a tire is produced by vulcanizing a belt for fixing the sound absorbing member to the tire, and a structure in which the sound absorbing member is interposed between the belt and the airtight layer is adopted, but there is a problem in that the sound absorbing member is easily detached.
In addition, to compensate for this, an adhesive may be used to further fix it, but when an adhesive is used, the adhesive force decreases with aging or curing, causing detachment.
On the other hand, there has been a technique of inserting a wire into the inside of a sound absorbing member to generate electricity in the past, but this technique causes a significant increase in weight of a tire because the sound absorbing member is mounted on all surfaces and an electric wire is inserted into all surfaces.
For example, in the case where the circumference of the tire is 2m, the weight of the sound absorbing material is generally about 400g, but when the self-generating wire is inserted, the weight of the sound absorbing material increases to 1.7kg.
Prior art literature
Patent literature
Patent document 1: korean patent No. 10-1887809
Disclosure of Invention
Technical problem to be solved
In order to solve the above-described problems, an object of the present invention is to provide a self-power-generating sound-absorbing tire capable of improving sound-absorbing performance while operating an electronic module by self-power generation.
The technical problems to be solved by the present invention are not limited to the above-mentioned technical problems, and other technical problems not mentioned can be clearly understood by those skilled in the art from the following description.
Means for solving the problems
In order to achieve the above object, the present invention provides a sound absorbing tire capable of self-generating electricity, comprising: a wall portion formed on a surface of an inner liner of the tire; a sound absorbing part formed at a distance from the inner liner and having both ends coupled to the wall part so as to shield noise generated from the tread surface and the road surface; and an electronic part provided on the surface of the inner liner and formed between the inner liner and the sound absorbing part.
In an embodiment of the invention, the wall portion comprises: a pair of bodies attached or bonded to the inner liner; an insertion groove formed in the main body and capable of inserting and fixing the tip of the sound absorbing portion.
In an embodiment of the invention, the body is made of a porous sponge to exert a sound absorbing function.
In an embodiment of the invention, the body is made of a sponge of polyurethane material or a porous expandable polymer-based material.
In an embodiment of the invention, the wall portion further includes a first wire formed in an internal void of the body; the first electric wire is configured to be capable of triboelectrically charging with the body made of the porous sponge structure to generate electric power.
In an embodiment of the invention, the first wire is made by printing a conductive material.
In an embodiment of the present invention, the sound absorbing portion includes: a sound absorbing member in the shape of a film of a polymer structure; and a coupling body formed at both ends of the sound absorbing member and capable of being coupled with the wall portion.
In an embodiment of the present invention, the sound absorbing portion further includes a second electric wire formed inside the combined body; the second electric wire is configured to be capable of triboelectrically charging with the body made of the porous sponge structure to generate electric power.
In an embodiment of the invention, the second wire is made by printing a conductive material.
In an embodiment of the present invention, the electronic part includes: an electronic module having a sensor for detecting a tire condition; and a power supply for supplying power to the electronic module.
In an embodiment of the invention, both ends of the sound absorbing portion are inserted into the wall portion with a first length, and a region having a second length shorter than the first length from the both ends inserted into the wall portion is formed thicker than the remaining insertion region.
In an embodiment of the present invention, the insertion groove is formed to have steps corresponding to the shapes of both ends of the sound absorbing portion.
ADVANTAGEOUS EFFECTS OF INVENTION
The effect of the present invention according to the above structure is to be able to secure both sound absorption and self-generating functions.
In addition, the use area of the sponge is reduced and the sound absorbing member in the shape of a film is adopted, and the electric wire and the lead wire are made by printing the conductive material instead of the ordinary electric wire, so that the weight can be reduced.
In addition, the operation is performed by self-generating power serving as a power source for the electronic module.
The effects of the present invention are not limited to the above-described effects, and it is to be understood that the effects of the present invention also include all effects derivable from the inventive arrangements described in the detailed description of the present invention or the claims.
Drawings
Fig. 1 is a perspective view of a self-generating sound absorbing tire according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view of a self-generating sound absorbing tire according to an embodiment of the present invention.
Fig. 3 is a schematic diagram showing a second electric wire of the self-generating sound absorbing tire according to an embodiment of the present invention.
Fig. 4 is a cross-sectional view showing a sound absorbing portion of a self-generating sound absorbing tire according to an embodiment of the present invention.
Description of the reference numerals
100: sound-absorbing tyre capable of self-generating
110: air-tight layer
120: wall portion
121: main body
122: insertion groove
123: first electric wire
130: sound absorbing part
131: sound absorbing member
132: combination body
133: second electric wire
140: electronic part
141: electronic module
142: first wire
143: second conducting wire
Detailed Description
The present invention will be described below with reference to the drawings. However, the present invention can be realized in various forms, and therefore, the present invention is not limited to the embodiments described in the present specification. In order to clearly explain the present invention, parts irrelevant to the description are omitted in the drawings, and like reference numerals are given to like parts throughout the specification.
Throughout the specification, when a certain portion is referred to as being "connected (coupled, in contact with, in combination with) another portion, it includes both the case of" directly connected "and the case of" indirectly connected "with other portions interposed therebetween. Also, when it is expressed that some portions "include" some structural elements, it is meant that other structural elements may be provided, as long as there is no particular contrary, rather than excluding other structural elements.
The terminology used in the description presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The expression singular includes the plural unless the context clearly indicates otherwise. In this specification, the terms "comprises" and "comprising," and the like, are used to specify the presence of stated features, integers, steps, actions, components, or groups thereof, but are not to be construed as forerunner the presence or addition of one or more other features, integers, steps, actions, components, or groups thereof.
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is a perspective view of a self-generating sound absorbing tire according to an embodiment of the present invention, and fig. 2 is a cross-sectional view of a self-generating sound absorbing tire according to an embodiment of the present invention.
Fig. 3 is a schematic view showing a second electric wire of the self-power-generating sound-absorbing tire according to an embodiment of the present invention, and fig. 4 is a cross-sectional view showing a sound-absorbing portion of the self-power-generating sound-absorbing tire according to an embodiment of the present invention.
As shown in fig. 1 to 4, the self-generating sound absorbing tire 100 includes an inner liner 110, a wall 120, a sound absorbing portion 130, and an electronic portion 140.
The wall portion 120 may be formed on the surface of the inner liner 110 of the tire, and includes a body 121, an insertion groove 122, and a first wire 123.
The body 121 is attached or bonded to the inner liner 110. Here, the body 121 may be attached to the inner liner by an instant adhesive, a sealant, a PSA type adhesive, or the like.
The body 121 may be provided with a pair of bodies 121 spaced apart from each other on the surface of the inner liner 110, and the pair of bodies 121 may be disposed parallel to each other.
However, the shape of the body 121 is not limited thereto, and may be a quadrangle.
In addition, the body 121 may be made of porous sponge to perform a sound absorbing function.
In particular, the body 121 may be made of a sponge of polyurethane material or a porous expandable polymer-based material.
The insertion groove 122 is formed in the body 121 and allows the tip of the sound absorbing part 130 to be inserted and fixed.
The insertion groove 122 may be provided so that the end of the sound absorbing part 130 can be engaged in an inserted state, thereby realizing structural coupling.
The first electric wire 123 may be formed in an inner space of the body 121.
The first electric wire 123 may be configured to be capable of triboelectrically charging the body 121 made of a porous sponge structure to generate electric power.
Specifically, as the body 121 moves, frictional electrification occurs between the body 121 and the plurality of first electric wires 123 inserted in the body 121 made of porous sponge.
More specifically, static electricity is generated when friction occurs between the internal voids of the body 121, and a electrification phenomenon occurs when the voids are restored. At this time, the first electric wire 123 located in the gap is also electrified, thereby generating electric power.
To maximize the generation of electrical energy, the voids of the body 121 and the first electrical wires 123 may be formed as much as possible.
The wall 120 thus provided can perform a sound absorbing function and a power generating function.
In addition, the first wire 123 may be a common wire, or may be made by printing a conductive material.
Specifically, the conductive material may be printed in the space of the body 123 to form the first wire 123.
The first electric wire 123 thus provided can be reduced in weight as compared with the case of using a general electric wire. In this way, if the weight can be reduced, more electric wires can be formed, and thus the state in which the body 121 is stably attached to the inner liner 110 can be maintained.
The sound absorbing part 130 is formed at a spaced apart from the inner liner 110, and both ends thereof are coupled to the wall part 120 so as to be able to shield noise generated from the tread surface and the road surface.
The sound absorbing part 130 includes a sound absorbing member 131, a coupling body 132, and a second electric wire 133.
The sound absorbing member 131 may be provided in a film shape of a polymer structure for absorbing sound. The sound absorbing member 131 is formed at a distance from the inner liner 110 so as to be spaced apart from the inner liner 110, thereby enabling an air layer to be formed between the sound absorbing member 131 and the inner liner 110. The sound absorbing member 131 thus disposed can shield noise transmitted through the air layer, thereby enabling further reduction of noise.
The coupling body 132 may be formed at both ends of the sound absorbing member 131 and can be coupled with the wall portion 120.
More specifically, both ends of the sound absorbing part 130 are inserted into the insertion grooves 122 formed in the wall part 120 with a first length. And, a region having a second length shorter than the first length from both ends of the wall portion 120 is formed thicker than the remaining insertion region.
Here, the region having the second length corresponds to the coupling body 132, and the coupling body 132 may be formed to be thicker than the sound absorbing member 131 inserted in the body 121.
Also, the insertion groove 122 may be formed to have steps corresponding to the shapes of both ends of the sound absorbing part 130.
That is, the position of the insertion groove 122 where the coupling body 132 is to be inserted is formed with the thickness of the coupling body 132, and the remaining area of the first length from which the second length is removed is formed with the thickness of the sound absorbing member 131.
Thus, the sound absorbing part 130 can be coupled to the wall part 120 depending on the shapes of the insertion groove 122 and the coupling body 132.
In addition, an adhesive or glue may be applied between the coupling body 132 and the insertion groove 122 to reinforce the coupling.
Such an embodiment of the present invention can be stably fixed as compared with the conventional method of attaching only the sound absorbing material to the inner liner.
The second electric wire 133 may be formed inside the combined body 132 or the combined body 132 itself.
The second electric wire 133 may be configured to be capable of triboelectrically charging the body 121 made of a porous sponge structure to generate electric power.
Specifically, as the body 121 moves, frictional electrification occurs between the body 121 and the plurality of second electric wires 133 inserted in the body 121 made of a porous sponge.
More specifically, static electricity is generated when friction is generated between the insertion groove 122 of the body 121 and the internal space, and a electrification phenomenon occurs when the space is restored to its original state. At this time, the second electric wire 133 positioned in the insertion groove 122 is also electrified, thereby generating electric power.
The sound absorbing part 130 thus provided performs a sound absorbing function and a power generating function.
In addition, the second wire 133 may be a common wire or may be made by printing a conductive material.
Specifically, the conductive material may be printed on the combination body 132 to form the second electric wire 133.
The second electric wire 133 thus provided can be reduced in weight as compared with the case of using a general electric wire. In this way, if the weight can be reduced, the body 121 can be maintained in a state of being stably attached to the inner liner 110.
The electronic part 140 may be disposed on the surface of the air-tight layer 110 and may be formed between the air-tight layer 110 and the sound absorbing part 130, and includes an electronic module 141, a first wire 142, a second wire 143, and a power source.
The electronic module 141 may be provided with a sensor for detecting the state of the tyre.
Specifically, the electronic module 141 may be loaded with a pressure sensor that measures the normal pressure of the tire, a temperature sensor that measures the temperature, an acceleration sensor that measures deformation, a strain gauge, and the like.
In addition, the electronic module 141 may be equipped with a communication module for communication, and Radio Frequency (Radio Frequency) or Bluetooth (Bluetooth) communication may be generally used.
The power supply may include: a rectifying circuit using a rechargeable secondary battery and capable of converting a current generated from a power generator; a storage circuit including a Capacitor (Capacitor) storing electric energy; and a charging circuit for charging the battery.
The power supply thus provided can obtain electric energy generated by friction power generation from the wall portion 120 and the sound absorbing portion 130, and supply power to the electronic module 141.
The first wire 142 may be configured to be able to connect the first wire 123 with the power source, and the second wire 143 may be configured to be able to connect the second wire 133 with the power source.
At this time, when the first and second wires 142 and 143 use a common wire, a twisted wire is used to improve fatigue durability.
The first and second wires 142 and 143 may be formed by printing a conductive material on the inner liner 110, thereby reducing the weight.
The invention thus arranged can perform a sound absorbing function while generating electricity by itself, and can reduce the weight, so that it is economical and practical.
The above description is for illustrating the present invention, and it will be understood by those skilled in the art that other embodiments may be easily modified without changing the technical spirit or essential features of the present invention, and thus the above embodiments are not intended to limit the present invention in all respects. For example, the components described as being single may be implemented separately, and similarly, the components described as being separate may be implemented in combination.
The scope of the invention is indicated by the following claims, and all changes or modifications that come within the meaning and range of equivalency of the claims are intended to be embraced therein.
Claims (11)
1. A self-generating sound absorbing tire comprising:
a wall portion formed on the surface of the inner liner of the tire,
a sound absorbing part formed at a distance from the inner liner and having both ends bonded to the wall part to shield noise generated from the tread surface and road surface, an
An electronic part provided on a surface of the inner liner and formed between the inner liner and the sound absorbing part;
the wall portion includes:
a pair of bodies attached or bonded to the inner liner,
an insertion groove formed in the main body and capable of inserting and fixing the end of the sound absorbing portion, an
A first wire formed in an internal space of the main body;
the first wire is configured to be capable of triboelectrically charging with the body to generate electrical energy.
2. A self-generating sound absorbing tire according to claim 1, wherein,
the body is made of porous sponge to exert sound absorbing function.
3. A self-generating sound absorbing tire according to claim 2, wherein,
the body is made of a sponge of polyurethane material or a porous expandable polymer-based material.
4. A self-generating sound absorbing tire according to claim 2, wherein,
the plurality of first electric wires are made by printing a conductive material.
5. A self-generating sound absorbing tire according to claim 1, wherein,
the sound absorbing part includes:
a sound absorbing member in the shape of a film of a polymer structure; and
and a coupling body formed at both ends of the sound absorbing member and capable of being coupled with the wall portion.
6. The self-generating sound absorbing tire according to claim 5, wherein,
the sound absorbing part further includes a second electric wire formed inside the combined body,
the second electric wire is configured to be capable of triboelectrically charging with the body made of the porous sponge structure to generate electric power.
7. The self-generating acoustical tire of claim 6 wherein,
the second wire is made by printing a conductive material.
8. A self-generating sound absorbing tire according to claim 1, wherein,
the electronic part includes:
an electronic module having a sensor for detecting a tire condition; and
and a power supply for supplying power to the electronic module.
9. The self-generating sound absorbing tire according to claim 5, wherein,
the coupling body is inserted into the insertion groove of the wall portion, and the thickness of the coupling body is greater than the thickness of the portion of the sound absorbing member inserted into the wall portion.
10. The self-generating acoustical tire of claim 9 wherein,
the insertion groove is formed to have steps corresponding to the shape of both ends of the sound absorbing portion.
11. A self-generating sound absorbing tire comprising:
a wall portion formed on the surface of the inner liner of the tire,
a sound absorbing part formed at a distance from the inner liner and having both ends bonded to the wall part to shield noise generated from the tread surface and road surface, an
An electronic part provided on a surface of the inner liner and formed between the inner liner and the sound absorbing part;
second electric wires are formed at both ends of the sound absorbing portion,
the second wire is configured to be capable of triboelectrically charging the wall portion to generate electrical energy.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2020-0019163 | 2020-02-17 | ||
| KR1020200019163A KR102351699B1 (en) | 2020-02-17 | 2020-02-17 | Tires with self generation and sound absorption |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113263872A CN113263872A (en) | 2021-08-17 |
| CN113263872B true CN113263872B (en) | 2023-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110190124.0A Active CN113263872B (en) | 2020-02-17 | 2021-02-18 | Sound-absorbing tyre capable of self-generating |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US11993107B2 (en) |
| EP (1) | EP3865317B1 (en) |
| KR (1) | KR102351699B1 (en) |
| CN (1) | CN113263872B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102605818B1 (en) * | 2021-10-26 | 2023-11-29 | 넥센타이어 주식회사 | Pneumatic tire |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3865317B1 (en) | 2023-11-08 |
| US20210252920A1 (en) | 2021-08-19 |
| KR102351699B1 (en) | 2022-01-17 |
| US11993107B2 (en) | 2024-05-28 |
| KR20210104434A (en) | 2021-08-25 |
| EP3865317A1 (en) | 2021-08-18 |
| CN113263872A (en) | 2021-08-17 |
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